diff --git a/CHANGES b/CHANGES
index 792e577..59cbdd2 100644
--- a/CHANGES
+++ b/CHANGES
@@ -2,6 +2,7 @@ i2c-tools CHANGES
 -----------------
 
 3.1.3 (work in progress)
+  eeprog: Increase delay after writes
   decode-dimms: Correctly check for out-of-bounds vendor ID
   README: Mention the current maintainer
 
diff --git a/eepromer/24cXX.c b/eepromer/24cXX.c
index c29defd..a7e5a2f 100644
--- a/eepromer/24cXX.c
+++ b/eepromer/24cXX.c
@@ -24,6 +24,13 @@
 #include <string.h>
 #include "24cXX.h"
 
+/*
+ * EEPROMs need some time to process writes
+ * Ideally this value should either be settable with a command line parameter,
+ * or "guessed" at runtime using a retry loop.
+ */
+#define WRITE_DELAY_US		5000
+
 static int i2c_write_1b(struct eeprom *e, __u8 buf)
 {
 	int r;
@@ -31,7 +38,7 @@ static int i2c_write_1b(struct eeprom *e, __u8 buf)
 	r = i2c_smbus_write_byte(e->fd, buf);
 	if(r < 0)
 		fprintf(stderr, "Error i2c_write_1b: %s\n", strerror(errno));
-	usleep(10);
+	usleep(WRITE_DELAY_US);
 	return r;
 }
 
@@ -42,7 +49,7 @@ static int i2c_write_2b(struct eeprom *e, __u8 buf[2])
 	r = i2c_smbus_write_byte_data(e->fd, buf[0], buf[1]);
 	if(r < 0)
 		fprintf(stderr, "Error i2c_write_2b: %s\n", strerror(errno));
-	usleep(10);
+	usleep(WRITE_DELAY_US);
 	return r;
 }
 
@@ -54,7 +61,7 @@ static int i2c_write_3b(struct eeprom *e, __u8 buf[3])
 	r = i2c_smbus_write_word_data(e->fd, buf[0], buf[2] << 8 | buf[1]);
 	if(r < 0)
 		fprintf(stderr, "Error i2c_write_3b: %s\n", strerror(errno));
-	usleep(10);
+	usleep(WRITE_DELAY_US);
 	return r;
 }