diff --git a/engine/client/sys_linux.c b/engine/client/sys_linux.c
index 66c35023..a918123b 100644
--- a/engine/client/sys_linux.c
+++ b/engine/client/sys_linux.c
@@ -781,7 +781,7 @@ void *Sys_GetAddressForName(dllhandle_t *module, const char *exportname)
 
 // =======================================================================
 //friendly way to crash, including stack traces. should help reduce gdb use.
-#if defined(__linux__) && defined(__GNUC__) /*should probably be GNUC but whatever*/
+#if defined(__linux__) && defined(__GLIBC__) /*should probably be GNUC but whatever*/
 #include <execinfo.h>
 #ifdef __i386__
 #include <ucontext.h>
@@ -987,7 +987,7 @@ int main (int c, const char **v)
 	}
 #endif
 
-#if defined(__linux__) && defined(__GNUC__)
+#if defined(__linux__) && defined(__GLIBC__)
 	if (!COM_CheckParm("-nodumpstack"))
 	{
 		struct sigaction act;
diff --git a/engine/server/sv_sys_unix.c b/engine/server/sv_sys_unix.c
index 33dd57a4..d9ac8a95 100644
--- a/engine/server/sv_sys_unix.c
+++ b/engine/server/sv_sys_unix.c
@@ -647,7 +647,7 @@ void Sys_Shutdown (void)
 {
 }
 
-#if defined(__linux__) && defined(__GNUC__)
+#if defined(__linux__) && defined(__GLIBC__)
 #include <execinfo.h>
 #ifdef __i386__
 #include <ucontext.h>
@@ -937,7 +937,7 @@ int main(int argc, char *argv[])
 
 
 
-#if defined(__linux__) && defined(__GNUC__)
+#if defined(__linux__) && defined(__GLIBC__)
 	if (!COM_CheckParm("-nodumpstack"))
 	{
 		struct sigaction act;