diff --git a/ZNCString.cpp b/ZNCString.cpp
index fbc0bf43..0d1ea967 100644
--- a/ZNCString.cpp
+++ b/ZNCString.cpp
@@ -139,8 +139,8 @@ CString::CString(long i) : string() { stringstream s; s << i; *this = s.str(); }
 CString::CString(unsigned long i) : string() { stringstream s; s << i; *this = s.str(); }
 CString::CString(long long i) : string() { stringstream s; s << i; *this = s.str(); }
 CString::CString(unsigned long long i) : string() { stringstream s; s << i; *this = s.str(); }
-CString::CString(double i) : string() { stringstream s; s << i; *this = s.str(); }
-CString::CString(float i) : string() { stringstream s; s << i; *this = s.str(); }
+CString::CString(double i, int precision) : string() { stringstream s; s.precision(precision); s << std::fixed << i; *this = s.str(); }
+CString::CString(float i, int precision) : string() { stringstream s; s.precision(precision); s << std::fixed << i; *this = s.str(); }
 
 inline unsigned char* CString::strnchr(const unsigned char* src, unsigned char c, unsigned int iMaxBytes, unsigned char* pFill, unsigned int* piCount) const {
 	for (unsigned int a = 0; a < iMaxBytes && *src; a++, src++) {
diff --git a/ZNCString.h b/ZNCString.h
index 85b20108..4a9df7e9 100644
--- a/ZNCString.h
+++ b/ZNCString.h
@@ -70,8 +70,8 @@ public:
 	explicit CString(unsigned long i);
 	explicit CString(long long i);
 	explicit CString(unsigned long long i);
-	explicit CString(double i);
-	explicit CString(float i);
+	explicit CString(double i, int precision = 2);
+	explicit CString(float i, int precision = 2);
 
 	CString() : string() {}
 	CString(const char* c) : string(c) {}