diff --git a/cfgparser.c b/cfgparser.c
index 89b54e6aa8..e3c783e16e 100644
--- a/cfgparser.c
+++ b/cfgparser.c
@@ -15,6 +15,7 @@
 #include <fcntl.h>
 #include <string.h>
 #include <errno.h>
+#include <math.h>
 #include "config.h"
 
 #include "mp_msg.h"
@@ -552,8 +553,22 @@ static int config_read_option(m_config_t *config,config_t** conf_list, char *opt
 
 			tmp_float = strtod(param, &endptr);
 
-			if ((*endptr == ':') || (*endptr == '/'))
+			switch(*endptr) {
+			    case ':':
+			    case '/':
 				tmp_float /= strtod(endptr+1, &endptr);
+				break;
+			    case '.':
+			    case ',':
+				/* we also handle floats specified with
+				 * non-locale decimal point ::atmos
+				 */
+				if(tmp_float<0)
+					tmp_float -= 1.0/pow(10,strlen(endptr+1)) * strtod(endptr+1, &endptr);
+				else
+					tmp_float += 1.0/pow(10,strlen(endptr+1)) * strtod(endptr+1, &endptr);
+				break;
+			}
 
 			if (*endptr) {
 				mp_msg(MSGT_CFGPARSER, MSGL_ERR, "parameter must be a floating point number"