diff --git a/CHANGES b/CHANGES
index 3de75a9..c3eac12 100644
--- a/CHANGES
+++ b/CHANGES
@@ -8,6 +8,7 @@ Release 9.1-dev
 * changed mysql module not to use mysql db as a default. if the user has not access to this db auth fails ...
 * added -K command line switch to disable redo attempts (good for mass scanning)
 * forgot to have the -m option in the hydra help output
+* gcc-10 support and various cleanups by Jeroen Roovers, thanks!
 
 
 Release 9.0
diff --git a/Makefile.am b/Makefile.am
index 51a2342..49e8476 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -4,7 +4,7 @@
 WARN_CLANG=-Wformat-nonliteral -Wstrncat-size -Wformat-security -Wsign-conversion -Wconversion -Wfloat-conversion -Wshorten-64-to-32 -Wuninitialized -Wmissing-variable-declarations  -Wmissing-declarations
 WARN_GCC=-Wformat=2 -Wformat-overflow=2 -Wformat-nonliteral -Wformat-truncation=2 -Wnull-dereference -Wstrict-overflow=2 -Wstringop-overflow=4 -Walloca-larger-than=4096 -Wtype-limits -Wconversion -Wtrampolines -Wstrict-prototypes -Wmissing-prototypes -Wmissing-declarations -fno-common -Wcast-align
 CFLAGS ?= -march=native -flto
-OPTS=-I. -O3 $(CFLAGS)
+OPTS=-I. -O3 $(CFLAGS) -fcommon
 # -Wall -g -pedantic
 LIBS=-lm
 DESTDIR ?=