diff --git a/include/proxysql_structs.h b/include/proxysql_structs.h
index 5ed96807e..b91c14304 100644
--- a/include/proxysql_structs.h
+++ b/include/proxysql_structs.h
@@ -361,6 +361,8 @@ struct _global_variables_t {
 	//pthread_rwlock_t rwlock_global;
 	pthread_rwlock_t rwlock_usernames;
 
+	bool has_debug;
+
 	volatile int shutdown;
 	bool nostart;
 	int reload;
diff --git a/lib/Standard_MySQL_Authentication.cpp b/lib/Standard_MySQL_Authentication.cpp
index f066979ad..c29493dea 100644
--- a/lib/Standard_MySQL_Authentication.cpp
+++ b/lib/Standard_MySQL_Authentication.cpp
@@ -40,6 +40,14 @@ class Standard_MySQL_Authentication: public MySQL_Authentication {
 //	PtrArray cred_array;
 	public:
 	Standard_MySQL_Authentication() {
+#ifdef DEBUG
+		if (glovars.has_debug==false) {
+#else
+		if (glovars.has_debug==true) {
+#endif /* DEBUG */
+			perror("Incompatible debagging version");
+			exit(EXIT_FAILURE);
+		}
 		spinlock_rwlock_init(&creds_backends.lock);
 		spinlock_rwlock_init(&creds_frontends.lock);
 	};
diff --git a/lib/Standard_MySQL_Thread.cpp b/lib/Standard_MySQL_Thread.cpp
index a9fffcdde..2bc72e5d1 100644
--- a/lib/Standard_MySQL_Thread.cpp
+++ b/lib/Standard_MySQL_Thread.cpp
@@ -205,6 +205,14 @@ class Standard_MySQL_Threads_Handler: public MySQL_Threads_Handler
 	} variables;
 	public:
 	Standard_MySQL_Threads_Handler() {
+#ifdef DEBUG
+		if (glovars.has_debug==false) {
+#else
+		if (glovars.has_debug==true) {
+#endif /* DEBUG */
+			perror("Incompatible debagging version");
+			exit(EXIT_FAILURE);
+		}
 		num_threads=0;
 		mysql_threads=NULL;
 		stacksize=0;
diff --git a/lib/Standard_ProxySQL_Admin.cpp b/lib/Standard_ProxySQL_Admin.cpp
index f87145542..b3686e591 100644
--- a/lib/Standard_ProxySQL_Admin.cpp
+++ b/lib/Standard_ProxySQL_Admin.cpp
@@ -1319,6 +1319,14 @@ public:
 */
 Standard_ProxySQL_Admin::Standard_ProxySQL_Admin() {
 //	int i;
+#ifdef DEBUG
+		if (glovars.has_debug==false) {
+#else
+		if (glovars.has_debug==true) {
+#endif /* DEBUG */
+			perror("Incompatible debagging version");
+			exit(EXIT_FAILURE);
+		}
 
 	SPA=this;
 	spinlock_rwlock_init(&rwlock);
diff --git a/lib/Standard_Query_Cache.cpp b/lib/Standard_Query_Cache.cpp
index 3f1d3025d..f3df25be8 100644
--- a/lib/Standard_Query_Cache.cpp
+++ b/lib/Standard_Query_Cache.cpp
@@ -321,6 +321,14 @@ virtual double area() const {
 };
 
 Standard_Query_Cache() {
+#ifdef DEBUG
+	if (glovars.has_debug==false) {
+#else
+	if (glovars.has_debug==true) {
+#endif /* DEBUG */
+		perror("Incompatible debagging version");
+		exit(EXIT_FAILURE);
+	}
 	QCnow=time(NULL);
 	//test=0;
 	size=SHARED_QUERY_CACHE_HASH_TABLES;
diff --git a/lib/Standard_Query_Processor.cpp b/lib/Standard_Query_Processor.cpp
index feb085719..a8fc206d0 100644
--- a/lib/Standard_Query_Processor.cpp
+++ b/lib/Standard_Query_Processor.cpp
@@ -243,6 +243,14 @@ protected:
 
 public:
 Standard_Query_Processor() {
+#ifdef DEBUG
+	if (glovars.has_debug==false) {
+#else
+	if (glovars.has_debug==true) {
+#endif /* DEBUG */
+		perror("Incompatible debagging version");
+		exit(EXIT_FAILURE);
+	}
 	proxy_debug(PROXY_DEBUG_MYSQL_QUERY_PROCESSOR, 4, "Initializing Query Processor with version=0\n");
 	spinlock_rwlock_init(&rwlock);
 	version=0;
diff --git a/src/main.cpp b/src/main.cpp
index 81bbe32cf..fdd2d5450 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -190,6 +190,12 @@ int main(int argc, const char * argv[]) {
 
 
 {
+#ifdef DEBUG
+	glovars.has_debug=true;
+#else
+	glovars.has_debug=false;
+#endif /* DEBUG */
+
 	__thr_sfp=l_mem_init();
 
 	{
diff --git a/src/proxysql_global.cpp b/src/proxysql_global.cpp
index 5d253ac54..12e868696 100644
--- a/src/proxysql_global.cpp
+++ b/src/proxysql_global.cpp
@@ -3,4 +3,3 @@
 //#include "proxysql_glovars.hpp"
 #include "cpp.h"
 //ProxySQL_GlobalVariables GloVars;
-